package com.cuijq.oss.service.impl;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.cuijq.oss.service.OssService;
import com.cuijq.oss.utils.ConstantPropertiesUtils;
import java.io.InputStream;
import java.util.UUID;
import org.joda.time.DateTime;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

/**
 * @Classname OssService
 * @Description TODO
 * @Date 2021/5/8 17:08
 * @Created by CuiJQ
 */
@Service
public class OssServiceImpl implements OssService {

  @Override
  public String uploadFileAvatar(MultipartFile file) {
    // 工具类获取值
    String endpoint = ConstantPropertiesUtils.END_POIND;
    String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
    String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
    String bucketName = ConstantPropertiesUtils.BUCKET_NAME;

    try {
      // 创建OSS实例。
      OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

      //获取上传文件输入流
      InputStream inputStream = file.getInputStream();
      //获取文件名称
      String fileName = file.getOriginalFilename();

      //1 在文件名称里面添加随机唯一的值
      String uuid = UUID.randomUUID().toString().replaceAll("-", "");
      // yuy76t5rew01.jpg
      fileName = uuid + fileName;

      //2 把文件按照日期进行分类
      //获取当前日期
      //   2021/5/8
      String datePath = new DateTime().toString("yyyy/MM/dd");
      //拼接
      //  2021/5/8/ewtqr313401.jpg
      fileName = datePath + "/" + fileName;

      //调用oss方法实现上传
      //第一个参数  Bucket名称
      //第二个参数  上传到oss文件路径和文件名称   aa/bb/1.jpg
      //第三个参数  上传文件输入流
      ossClient.putObject(bucketName, fileName, inputStream);

      // 关闭OSSClient。
      ossClient.shutdown();

      //把上传之后文件路径返回
      //需要把上传到阿里云oss路径手动拼接出来
      //  https://edu-cuijq.oss-cn-beijing.aliyuncs.com/01.jpg
      String url = "https://" + bucketName + "." + endpoint + "/" + fileName;
      return url;
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }
}
